TABLE III.

Distribution of Surgical Subspecialties Among the Surgical Site Infection Cases from the Main Analytic Cohort and the Cohort Used for External Validation (N = 208)^*

Orthopaedic Subspecialty	No. of Cases†
Spine	42 (20%)
Trauma	37 (18%)
Reconstructive surgery‡	36 (17%)
Oncology	26 (13%)
Foot and ankle	20 (10%)
Upper extremity	18 (9%)
Sports	16 (8%)
Other	13 (6%)

^*The 172 cases for the main analysis were obtained from Strong Memorial Hospital.

^†The values are given as the number of cases, with the percentage in parentheses.

^‡The 36 cases for reconstructive surgery were obtained from another hospital affiliated with Strong Memorial Hospital and were used for external validation of the prediction models.